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9
4
BASIC OPERATION
New2001
4
■
Receiving and transmitting
q
Rotate
[VOL]
clockwise to turn power ON.
• Opening comment scrolls. (p. 13)
• Push
[16•9]
to skip the opening comment indication.
w
Set the volume and squelch level.
➥
Push
[
]
, and push
[
Z
Z
]
to open the squelch.
➥
Rotate
[VOL]
to set the volume level.
➥
Push
[
]
, and push
[
Y
Y
]/[
Z
Z
]
to set the squelch level.
e
Push
[
Y
Y
]/[
Z
Z
]
to select the desired channel.
- When receiving a signal, “
” indicator appears while audio is
emitted from the speaker.
- Further adjustment of
[VOL]
may be necessary at this point.
r
Push
[H/L•LOCK]
to select the output power if necessary.
- “LOW” appears when low power is selected; “MID” appears
when middle power is selected; no indication when high power is
selected.
- Choose low power to conserve battery power, choose high
power for longer distance communications.
- Some channels are for low power only.
t
Push and hold
[PTT]
to transmit, then speak into the mi-
crophone.
-
The transmit indicator appears while transmitting.
- Channel 70 cannot be used for transmission.
y
Release
[PTT]
to receive.
IMPORTANT:
To maximize the readability of your trans-
mitted signal, pause a few sec. after pushing
[PTT]
, hold
the microphone 5 to 10 cm
(2 to 4 inches)
from your mouth
and speak into the microphone at a normal voice level.
NOTE:
The transceiver has a power save function to con-
serve the battery power. The power save function activates
automatically when no signal is received for 5 sec.
To prevent accidental prolonged transmission, etc., the IC-
M72 has a time-out timer function. This timer cuts a trans-
mission OFF after 5 min. of continuous transmission.
Microphone
Speaker
r
Set output power
t
Push to transmit
y
Release to receive
q
Power ON
w
Set volume
w
Set the squelch
level
w
Set the squelch
level
e
Select the
channel
CAUTION:
Transmitting without an antenna may
damage the transceiver.
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